杏吧原创

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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New 杏吧原创鈥檚 exclusive in-depth articles, interviews and long reads.

NASA's Ingenuity helicopter unlocked its rotor blades, allowing them to spin freely, on April 7, 2021, the 47th Martian day, or sol, of the mission. They had been held in place since before launch, and the unlocking is one of several milestones that must be met before the helicopter can attempt the first powered, controlled flight on another planet. This image was captured by the Mastcam-Z imager on NASA's Perseverance Mars rover on the following sol, April 8, 2021.

Technology

2021 in review: A helicopter flies on Mars for the first time

In April, the Ingenuity helicopter became the first vehicle ever to attempt powered flight on another planet. Theodore Tzanetos tells New 杏吧原创 of the exhilaration he felt leading the team

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Top knolling view of an office desk. business template. teamwork scene, with laptop, papers, notebook, tablet etc. creative mess designer background. mock up template. render

Humans

2021 in review: Learning the pros and cons of working from home

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Jeywellan Ochieng, 2, reacts after receiving the vaccine against Malaria as she is held by her mother Julliet Achieng at the Yala Sub County Hospital Mother and Child Healthcare (MCH) clinic in Gem, Siaya County, Kenya October 7, 2021. REUTERS/James Keyi

Health

2021 in review: World鈥檚 first malaria vaccine is approved

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COP26 President Alok Sharma reacts during the UN Climate Change Conference (COP26) in Glasgow, Scotland, Britain November 13, 2021. REUTERS/Phil Noble - RC2UTQ9BT3HV

Environment

2021 in review: COP26 lays the groundwork for a decade of action

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A firefighter works as the Caldor Fire burns in Grizzly Flats, California, U.S., August 22, 2021. REUTERS/Fred Greaves TPX IMAGES OF THE DAY - RC2RAP9BI0EP

Environment

2021 in review: Weather records aren鈥檛 just broken, they鈥檙e smashed

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Technology

2021 was the year cryptocurrencies went completely off the rails

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Environment

In this pivotal year, rich nations failed woefully on climate justice

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Life

The major science-fiction films that get botany spectacularly wrong

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Space

My encounter with a different and deeply mysterious kind of corona

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Seagrass Meadows, (Photo by Reinhard Dirscherl/ullstein bild )

Humans

In 2021, we made real progress in fighting covid-19 and climate change

This year, we have taken on two massive existential threats: the ongoing coronavirus pandemic and the climate emergency. Though we are a long way off solving these crises, there are reasons for rational optimism in 2022

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Health

杏吧原创s keep inventing ways for pigs to breathe via their rectum

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Environment

Freshwater fish can recover from mercury pollution in just a few years

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Physics

Photons could be 鈥榮plit鈥� in two to create a weird new form of light

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Technology

Ethereum cryptocurrency delays emissions-slashing upgrade again

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